the interactive, command-line interface to the Ruby-based Rails framework. The Rails console allows developers to interact directly with their application without using a browser.
Questions tagged [rails-console]
441 questions
4
votes
3 answers
Can't access Mysql model in rails console
I have an existing remote mysql database and I am trying to access that from my rails application I have this in my database.yml
development:
development:
adapter: mysql2
encoding: utf8
database: mydb
username: myusername
password:…

Arihant Godha
- 2,339
- 2
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4
votes
1 answer
Call a method and initiate debugging from the rails console without editing the source code?
Sometimes when I'm working in the rails console, I find I want to step through a particular method (from my rails app) in the debugger. In the past I have done this by temporarily adding a debugger statement to the source code of the method, then…

antinome
- 3,408
- 28
- 26
4
votes
2 answers
Rails console - process finished with exit code 0
Can't start rails console. When I'm trying to start it I 've got this message:
Loading development environment (Rails 3.2.12)
Process finished with exit code 0
It exits without any errors. But rails server starts without problems:
=> Booting…

Anton Grigoryev
- 1,199
- 11
- 20
4
votes
1 answer
undefined method `y` for main: Object in rails console
I always used the 'y' method to get my results cleaned up a bit in my rails console. However it doesn't seem to work anymore.
I have results to be found, and I can view the result, but just not in a clean manner. This is my rails console:
Loading…

CaptainCarl
- 3,411
- 6
- 38
- 71
4
votes
3 answers
How to create a custom method for the rails console?
When I'm using the Rails console in Ubuntu for a long session I define the clear method:
def clear; system 'clear' end
So when my console is getting dirty the only thing I have to do is type clear and the console gets cleared.
I would like to use…

sanrodari
- 1,602
- 2
- 13
- 23
4
votes
1 answer
Rails Console Crashing
When I load up my Rails Console, I get the following error
Loading development environment (Rails 3.2.3)
/Users/nataliamurashev/.rvm/rubies/ruby-1.9.3-p0/lib/ruby/1.9.1/irb/magic-file.rb:7:in `initialize': No such file or directory - …

NatashaTheRobot
- 6,879
- 4
- 32
- 27
3
votes
1 answer
Why 'ApplicationRecord.descendants.count' gives 1 even there are many descendants (inheriting models) of ApplicationRecord?
I ran following code in rails console:
ApplicationRecord.descendants.count # 1 = this gave only 1
Even there are many child classes inheriting from "ApplicationRecord" class insde project_root/app/models/ in rails 5.1.3.

codemilan
- 1,072
- 3
- 12
- 32
3
votes
2 answers
How to use let variables in rails console?
using
rspec 2.6.4
rails 3.1.6
How to use let variables in rails test console?
1.9.3-p0 :032 > let(:user) { create(:user) }
NoMethodError: undefined method `let' for main:Object
Please advise, which library should be required here?
For example:…

rhunal
- 395
- 2
- 15
3
votes
2 answers
Strange Rails console behaviour
When I run a multi-line statement in the Rails 3.0.1 console, pressing enter doesn't actually run the statement. Instead, it goes to a new console line, and the cursor has been tabbed to the right. Then I have to run a basic line (like p "hey"), and…

ben
- 29,229
- 42
- 124
- 179
3
votes
2 answers
How to list schemas in postgres from rails console?
I would like to get a list of schemas in the current database from the rails console. Currently, I am executing raw sql to get the info via
ActiveRecord::Base.connection.execute("select schema_name from information_schema.schemata")
Is there a more…

sakurashinken
- 3,940
- 8
- 34
- 67
3
votes
1 answer
Show Rails Console on all the pages
When I run into an error on a rails 5.0 app page while on development mode, I receive an error page with the rails web-console at the bottom of the page like in the screenshot below. The console seems to be pretty useful for running the methods of…

Suthan Bala
- 3,209
- 5
- 34
- 59
3
votes
2 answers
rails 5 (Object does not support #inspect) when using rails console
I am trying to initialize a new user within the rails console of my app. Whenever I enter the initialization code:
irb(main):001:0> user = User.new
I get this error:
(Object doesn't support #inspect)
=>
irb(main):002:0>
I have the user…

metaco57
- 155
- 3
- 15
3
votes
1 answer
How can I use the rails console in a non-rails project?
My project is not a web server. I'm using ActiveRecord and ActiveSupport. I'd like to also have the rails console. How can I do this without generating an entire rails app (and/or, what's the most minimal way to do this?)

John Bachir
- 22,495
- 29
- 154
- 227
3
votes
1 answer
How can I start a Rails console with command line arguments?
I'm in the process of upgrading a Rails app from major version 3 to 4. In the previous version we could tap into the boot process by passing a block to config.before_initialize in our Application class. From here I could specify options like rails c…

Aaron
- 13,349
- 11
- 66
- 105
3
votes
1 answer
How to write a bash script to run commands in rails console
I need to wirte a bash script to run commands in my rails console, the commands are : Station.create(......)
#!/bin/bash
rails console
After this line i have no ideas. i tried echo "Station.create(...), but it doesn't help

VPaskar
- 667
- 1
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